Answer Posted / tumatij

/*5. Write a C program to swap two integer numbers in various different techniques.
Answer:
*/
#include<stdio.h>
int main()
{
int a,b,temp;
printf("Enter the two numbers:");
scanf("%d%d",&a,&b);
printf("
Values before swapping a=%d b=%d",a,b);
//First logic
temp=a;
a=b;
b=temp;
printf("
Values after swapping a=%d b=%d",a,b);
//2nd logic
a=a+b;
b=a-b;
a=a-b;
printf("
Values after swapping a=%d b=%d",a,b);
//3rd logic
a=a*b;
b=a/b;
a=a/b;
printf("
Values after swapping a=%d b=%d",a,b);
//4th logic
a=(a+b)-(b=a);
printf("
Values after swapping a=%d b=%d",a,b);
//5th logic
a=a^b;
b=a^b;
a=a^b;
printf("
Values after swapping a=%d b=%d",a,b);
//6th logic
a^=b^=a^=b;
printf("
Values after swapping a=%d b=%d",a,b);
//7th logic
a=a-b;
b=a+b;
a=b-a;
printf("
Values after swapping a=%d b=%d",a,b);
}

What does *p++ do? What does it point to?

1007

---

How can you invoke another program from within a C program?

1026

---

Can you write the algorithm for Queue?

2032

---

why programs in c are running with out #include? some warnings are display in terminal but we execute the program we get answer why? eg: main() { printf("hello world "); }

1713

---

What is volatile keyword in c?

1000

---

Can we change the value of constant variable in c?

1008

---

WHAT IS THE DEFINATION OF IN TECHNOLOGY AND OFF TECHNOLOGY ?

2335

---

Difference between MAC vs. IP Addressing

1100

---

What is a MAC Address?

1006

---

What is time null in c?

1009

---

What are the uses of null pointers?

1037

---

I need a sort of an approximate strcmp routine?

988

---

What are loops c?

998

---

What is the use of getchar() function?

1076

---

The number of measuring units from an arbitarary starting point in a record,area,or control block to some other point a) recording pointer b) offset c) branching d) none

1185

---